[gegl] bail from cl compiler if opencl is not enabled

[Ãyvind KolÃs <ok src gnome org>]

commit a5c6ce6f1dc515df10f8b055395ce195a422434c
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Sat Apr 14 20:38:39 2012 +0200

    bail from cl compiler if opencl is not enabled

 gegl/opencl/gegl-cl-init.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gegl/opencl/gegl-cl-init.c b/gegl/opencl/gegl-cl-init.c
index a5ac2ef..d973e1c 100644
--- a/gegl/opencl/gegl-cl-init.c
+++ b/gegl/opencl/gegl-cl-init.c
@@ -330,6 +330,8 @@ gegl_cl_compile_and_build (const char *program_source, const char *kernel_name[]
 {
   gint errcode;
   gegl_cl_run_data *cl_data = NULL;
+  if (!gegl_cl_is_accelerated ())
+    return NULL;
 
   if ((cl_data = (gegl_cl_run_data *)g_hash_table_lookup(cl_program_hash, program_source)) == NULL)
     {